- a substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor: a basic component of various kinds of electronic circuit element (semiconductor device ) used in communications, control, and detection technology and in computers.
- a semiconductor device.
- a substance, such as germanium or silicon, that has an electrical conductivity that increases with temperature and is intermediate between that of a metal and an insulator, The behaviour may be exhibited by the pure substance (intrinsic semiconductor) or as a result of impurities (extrinsic semiconductor)
- a device, such as a transistor or integrated circuit, that depends on the properties of such a substance
- (as modifier)
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